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Match whitespace but not newlines
...herefore breaks the cardinal rule that all other whitespace obeys: you can tokenize with it. They're more like modifiers. However, ZERO WIDTH SPACE, WORD JOINER, and ZERO WIDTH NON-BREAKING SPACE (if it used as other than a byte-order mark) fit the whitespace rule in my book. Therefore, I include th...
Why do people use __(double underscore) so much in C++
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The foregoing comments are correct. __Symbol__ is generally a magic token provided by your helpful compiler (or preprocessor) vendor. Perhaps the most widely-used of these are __FILE__ and __LINE__, which are expanded by the C preprocessor to indicate the current filename and line number. T...
Objective-C and Swift URL encoding
...'();@&+$,/?%#[]~=_-.:",kCFStringEncodingUTF8 );
NSURL * url = [[NSURL alloc] initWithString:[@"address here" stringByAppendingFormat:@"?cid=%@",encodedString, nil]];
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iOS Detect 3G or WiFi
...If this were just in a method, reachability would go out of scope and be dealloced at the end of the method and stopNotifier would be called implicitly.
– James Webster
Nov 9 '11 at 21:35
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What are five things you hate about your favorite language? [closed]
..., and there should be methods such as Acquire which return disposable lock tokens. Corollary: there shouldn't be a monitor for every object.
GetHashCode() and Equals() shouldn't be in System.Object - not everything's suitable for hashing. Instead, have an IdentityComparer which does the same thing, ...
How do you clear a stringstream variable?
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It's not good for all situation. This would re-allocate the buffer every time while mm.str("") would not.
– Shital Shah
Dec 24 '16 at 1:29
3
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Maximum number of threads in a .NET app?
...ctually reserve stack space (as we could expect). Non started threads only allocate the information required by a thread object (you can use reflector if interested in the actual members).
You can actually test it for yourself, compare:
static void DummyCall()
{
Thread.Sleep(100000...
iOS 7 - Failing to instantiate default view controller
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Using programmatically :
Objective-C :
self.window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds];
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];
UIViewController *viewController = [storyboard instantiateViewContr...
How do I edit an existing tag message in git?
...e of a git tag
Awk: A tutorial and introduction
SO: Filter output by first-token-of-line and extract rest-of-line with awk
SO: How to put bash line comment in a multi-line command
4. DIY
Alternatively to updating the tags, you can just delete them and create them again. As it turns out updating j...
Semicolons superfluous at the end of a line in shell scripts?
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| & ; ( ) < > space tab
control operator
A token that performs a control function. It is one of the following symbols:
|| & && ; ;; ( ) | |& <newline>
So, the ; can be metacharacter or control operator, while the ;; is always a contr...